Petey is an AI assistant app based on the renowned GPT model, allowing users to interact with it through Apple Watch or iPhone. Key features include: interacting with the GPT model, creating Apple Music playlists, viewing locations on Apple Maps, accessing rich previews of any URL shared by Petey, continuing conversations through history, quickly finding answers to questions or generating lengthy messages, sharing interaction results with others via SMS, email, or social media, setting the app as an easily accessible complication, text-to-speech functionality. Petey also supports GPT4 and shortcut features, and provides an API key addition function. The app is compatible with iOS/iPadOS and offers a free trial and subscription options.